A total of 510 people visited a book exhibition,. 5/8 of the male visitor and 1/3 of the female visitors were adults. There were twice as many girls as boys. How many more men than women visited the book exhibition?

A total of 510 people visited a book exhibition,. 5/8 of the male visitor and 1/3 of the female visitors were adults. There were twice as many girls as boys. How many more men than women visited the book exhibition?

Ratio of men to boys-----5 : 3
Ratio of women to girls----1 : 2

Since the number of girls is twice the number of boys , then we can expand the ratio women to girls to-----3 : 6